A green plant has _ energy

The complete combustion of 0.721 g of a snack bar in a calorimeter (Ccal = 6.15 kJ/°C) raises the temperature of the calorimeter by 1.37 °C. Calculate the food value (in Cal/g) for the snack bar.

Jj thompson developed the plum pudding (blueberry muffi/chocolate chip cookie) model of the atom he is credited with disvcovering which subatomic particle proton neutron nucleus electron

A furnace that provides heat by burning methane gas (CH4) must have the correct mixture of air and fuel to operate efficiently. What is the mole ratio of air to methane gas in the combustion of methane? Air is 20% oxygen.

Describe the three subatomic particles (protons, neutrons, and electrons) in terms of their mass, charge, and location within the atom.

What substance is not a compound

TRY H Vele Elements y Llectron Configurations for P-Block Use the periodic table to determine the electron configuration for aluminum (AI) and arsenic (As) in noble-gas notation A [Ar]352301 [He1232206352301 [Ne]3:23p1 [Ne]352302

If you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?

A student measured 1.0 kcal when the student combined 99.7 mL of 3 M HCl with 100 mL of 3 M NaOH. Given that the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O what was ΔHneutralization per mole of water?

Which is the odd one brass, copper, aluminum, iton, sapphire